This is a clone of the Texas Administrative Code (TAC) for educational purposes. It is not the official version and should not be used for legal purposes. Site created Wed, 21 May 2025 21:16:37 GMT
(a) The laboratory shall test samples in accordance with the Department "Testing Procedure".(b) The laboratory shall maintain the chain of custody of each sample using a form prescribed by the Department.(c) The laboratory shall retain the sample for a minimum of thirty (30) business days from the sample collection date.